EP1158249A2 - Verfahren zur antibakteriellen Wirkung in elektrischen Sanitärwasserspeichererhitzern und Vorrichtung dazu - Google Patents

Verfahren zur antibakteriellen Wirkung in elektrischen Sanitärwasserspeichererhitzern und Vorrichtung dazu Download PDF

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Publication number
EP1158249A2
EP1158249A2 EP01112432A EP01112432A EP1158249A2 EP 1158249 A2 EP1158249 A2 EP 1158249A2 EP 01112432 A EP01112432 A EP 01112432A EP 01112432 A EP01112432 A EP 01112432A EP 1158249 A2 EP1158249 A2 EP 1158249A2
Authority
EP
European Patent Office
Prior art keywords
temperature
water
water heater
value
card
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01112432A
Other languages
English (en)
French (fr)
Other versions
EP1158249A3 (de
Inventor
Alain Xhonneux
Francis Geuten
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MTS Technical SA
Original Assignee
MTS Technical SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MTS Technical SA filed Critical MTS Technical SA
Publication of EP1158249A2 publication Critical patent/EP1158249A2/de
Publication of EP1158249A3 publication Critical patent/EP1158249A3/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1902—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value
    • G05D23/1904—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value variable in time
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0073—Arrangements for preventing the occurrence or proliferation of microorganisms in the water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms

Definitions

  • the object of the present invention is a method and the corresponding electronic device for obtaining antibacterial action in water heaters electric storage.
  • a typical example of these bacteria is "legionella pneumophilia", which is very aggressive and dangerous for the human body, when it reaches certain concentration values.
  • This bacteria also presents other characteristics on the basis of which its dangerousness can increase remarkably: this bacterial load, indeed, resists up to a temperature of 65 degrees C and multiplies very quickly up to a temperature from 50/55 degrees C.
  • the object of the present invention is to achieve the cleaning the interior of the appliance tanks DHW storage heaters bacterial, using an electronic device controlled by a microprocessor, associated with a thermostat electronic.
  • the method for obtaining an action antibacterial for electric water heaters accumulation that form the subject of this invention, is characterized by the fact that inside of the listed water heaters is automatically activated a cycle warming up to a temperature of "n" degrees and that this warming cycle is automatically activated every the "x" days.
  • the user can choose two different modes to introduce a temperature value of "n" degrees C: the first mode is to set a temperature predetermined, for example 75 degrees C which, due to the the fact that it is rather high, has the advantage of allow efficient thermal cleaning on practically all species of bacterial loads normally present in sanitary water.
  • a second mode of operation for the user consists in letting the temperature "n" be automatically chosen according to the temperature operating average used in the last cycle of cleaning.
  • the user can operate in two modes different: the first mode is to set a predefined interval of days capable of guaranteeing, what anyway, effective cleaning; for example, a 21 day interval is considered sufficient in average.
  • a first advantage offered by the process which forms the object of the present invention is the assurance that the thermal cleaning cycles, once the operational procedure, will be anyway executed in case of forgetting on the part of the user.
  • Another advantage is that the user can keep the normal domestic water storage temperature at the inside of the water heater, with advantages economical, and at the same time have the assurance effective antibacterial cleaning.
  • D14 and D15 are two LEDs, green and red respectively, indicative of the operating status of the device even.
  • a TRF1 transformer is suitable for supplying the electronic card 1 that guarantee protection anticorrosion of anodic type to the boiler of the water heater whose heating element, consisting of at least one electrical resistance, is controlled by a relay REL1 command.
  • a potentiometer R5 allows the programming of the final temperature of the water contained in the water heater; this programming is accessible to the user.
  • a microprocessor U1 constitutes intelligence endowed with memory of this device and contains all of the software for controlling the device itself.
  • a series of quick connectors T13, T15 and T5 allow the connection of card 1, respectively, to two temperature measurement, at a charging battery batteries of a known type, at the anode and at the boiler of the water heater.
  • card 1 may also not contain that the assembly constituted by the microprocessor U1, by relay REL1, by potentiometer R5 and by at minus a temperature probe; the said simplified set still being able to operationalize the process for obtaining an antibacterial action previously described.
  • the ignition steady green LED D14 indicates operation without anomalies, for example as well from the card electronic 1 as corrosion protection efficient boiler that contains sanitary water to heat.
  • the two LEDs mentioned can also operate in turn signal; this fact would indicate two types of problems different; in this case, the frequency of intermittency of the flashing will be different depending on the nature of the problem that arose.
  • the user can intervene personally for the programming of the desired maximum temperature of sanitary water to which to cycle cleaning and he performs the said intervention by via the adjustment of potentiometer R5.
  • Said user intervention is the only one available for the latter, because the entire operation of the electronic device that forms the subject of this invention is managed automatically by the microprocessor U1.
  • the memory with the microprocessor mentioned allows a immediate and automatic comparison with data from operation of the previous cycle.
  • the user can see if the values different and increasing energy content of sanitary water, that is, ultimately temperature reached by the latter, are reached, thanks to the lighting of the four white LEDs D10 in correspondence of the four different values and increasing the value of the energy content of the water heater: for example, each of the LEDs mentioned will light up when an energy fraction corresponding to 25% of the total which the water heater is reached.
  • An advantage offered by the electronic device which forms the object of the present invention consists of the fact that the logic with memory of the microprocessor U1 allows comparison, at each cycle cleaning, with the previous cycle, making possible optimization of operational parameters in the antibacterial operation.
  • Another advantage is offered by the possibility of making the card capable of handling additional functions by simply installing a microprocessor with greater operational possibilities.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Cookers (AREA)
EP01112432A 2000-05-24 2001-05-22 Verfahren zur antibakteriellen Wirkung in elektrischen Sanitärwasserspeichererhitzern und Vorrichtung dazu Withdrawn EP1158249A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2000/0347A BE1014622A5 (fr) 2000-05-24 2000-05-24 Procede pour l'obtention d'une action antibacterienne dans les chauffe-eau electriques a accumulation d'eau sanitaire et dispositif electronique pour l'application du dit procede.
BE200000347 2000-05-24

Publications (2)

Publication Number Publication Date
EP1158249A2 true EP1158249A2 (de) 2001-11-28
EP1158249A3 EP1158249A3 (de) 2005-01-19

Family

ID=3896544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01112432A Withdrawn EP1158249A3 (de) 2000-05-24 2001-05-22 Verfahren zur antibakteriellen Wirkung in elektrischen Sanitärwasserspeichererhitzern und Vorrichtung dazu

Country Status (2)

Country Link
EP (1) EP1158249A3 (de)
BE (1) BE1014622A5 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2222102A1 (es) * 2003-07-11 2005-01-16 Interef 2000 Promocions Inmobiliaries, S.L. "procedimiento de control y desinfeccion de circuitos de distribucion de agua caliente sanitaria".

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE821574A (fr) * 1974-10-29 1975-04-29 Acec Installation de chauffage
GB2132791A (en) * 1982-12-23 1984-07-11 Colin Baker Apparatus for and a method of controlling a hot water system
FR2543274A1 (en) * 1983-03-24 1984-09-28 Noirot Mt Improvements to accumulating radiators
AT390943B (de) * 1987-12-11 1990-07-25 Vaillant Gmbh Einrichtung zur bekaempfung von kleinstlebewesen
DE19524079B4 (de) * 1995-07-01 2006-08-03 Stiebel Eltron Gmbh & Co. Kg Verfahren und Schaltung zum Bekämpfen von Legionellen
AU7016396A (en) * 1995-10-10 1997-04-30 Donald Kuhnel Fluid heater with improved heating elements controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2222102A1 (es) * 2003-07-11 2005-01-16 Interef 2000 Promocions Inmobiliaries, S.L. "procedimiento de control y desinfeccion de circuitos de distribucion de agua caliente sanitaria".
WO2005005325A1 (es) * 2003-07-11 2005-01-20 Interef 2000 Promocions Inmobiliaries, S.L. Procedimiento de control y desinfección de circuitos de distribución de agua caliente sanitaria

Also Published As

Publication number Publication date
BE1014622A5 (fr) 2004-02-03
EP1158249A3 (de) 2005-01-19

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